Tekken 6 Tips

Play the Millennium Tower stage. You will be asked if you would like to use Nancy, the giant robot from Arcade mode. Select "No", and successfully complete the stage to get the "No Key For Me" achievement.

Just before the victory sequence appears when the match ends, hold [Left Punch], [Right Punch], [Left Kick] or [Right Kick] to select a pose. Note: Not all characters have the same number of alternate poses.